March 10 to 20 - Relative Dating and Geologic Change

Warm-ups

3/9 Read "Hidden Worlds" Pgs 16-19 in ScienceWorld February 2, 2015.

1. How did the giant crystals in Giant Crystal Cave form?

2. What are glowworms?

3. How did the largest cave chamber in the world form?

3/10 Make a Venn diagram comparing Uniformitarianism with Catastrophism. (DE pgs. 120 to 121)

3/11 Make a Venn diagram comparing an Intrusion with a Fault. (DE pgs. 94-96)

3/12 List the strata from minor canyon from youngest to oldest. (Hint: Start from the bottom and use the principles of superposition and crosscutting to determine what is younger) Animation of Minor Canyon Formation – mheducation.com

3/13 List the events and strata in order from youngest to oldest. Write "tilting", "folding" and "erosion" when those events take place. Earth Science Lab: Relative Dating - facweb.bhc.edu

3/16 Make a list of the different kinds of fossils and give an example of each. (DE pgs. 81-83)

3/17 Make a Venn diagram comparing absolute dating to relative dating. (DE pgs. 94-95 and 108)

3/18 List the elements that can be used in radiometric dating. Next to each element put the kind of things that can be measured using this method. (DE pgs. 111-112)

3/19 List the units of geologic time in order of biggest to smallest. (Hint: smallest is the epoch. DE pgs. 122-123)

Objectives

Explain how Earth materials, such as rock, fossils, and ice, show that Earth has changed over time.

Summarize how scientists measure the relative ages of rock layers.

Identify gaps in the rock record.

Describe how geologists use a geologic time scale to divide Earth's history.